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American Psychological Association.http://dx.doi.org/10.1037/10858-000
Bjelland, Hans V., and Kristian Tangeland. “User-Centered Design Proposals for Prototyping Haptic User Interfaces.” Haptic and Audio Interaction Design
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McLeod, S. A. (2018, Oct 08). Pavlov's dogs. Retrieved from https://www.simplypsychology.org/pavlov.html
Lake, Rebecca. “Fear of Public Speaking Statistics and How to Overcome Glossophobia.” CreditDonkey, www.creditdonkey.com/fear-of-public-speaking-
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Lake, Rebecca. “Fear of Public Speaking Statistics and How to Overcome Glossophobia.” CreditDonkey, www.creditdonkey.com/fear-of-public-speaking-statistics.html.
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